Enhanced electrochemical properties of cerium metal-organic framework based composite electrodes for high-performance supercapacitor application

Ramachandran Rajendran; Xuan Wenlu; Zhao Changhui; Leng Xiaohui; Sun Dazhi; Luo Dan; Wang Fei

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Enhanced electrochemical properties of cerium metal-organic framework based composite electrodes for high-performance supercapacitor application

机译：基于铈 - 有机框架的复合电极的增强电化学性能，高性能超级电容器应用

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Cerium metal-organic framework based composites (Ce-MOF/GO and Ce-MOF/CNT) were synthesized by a wet chemical route and characterized with different techniques to characterize their crystal nature, morphology, functional groups, and porosity. The obtained Ce-MOF in the composites exhibit a nanorod structure with a size of similar to 150 nm. The electrochemical performance of the composites was investigated in 3 M KOH and 3 M KOH + 0.2 M K3Fe(CN)(6) electrolytes. Enhanced electrochemical behavior was obtained for the Ce-MOF/GO composite in both electrolytes and exhibited a maximum specific capacitance of 2221.2 F g(-1) with an energy density of 111.05 W h kg(-1) at a current density of 1 A g(-1). The large mesoporous structure and the presence of oxygen functional groups in Ce-MOF/GO could facilitate ion transport in the electrode/electrolyte interface, and the results suggested that the Ce-MOF/GO composite could be used as a high-performance supercapacitor electrode material.

机译：通过湿化学途径合成基于铈 - 有机骨架基复合材料（CE-MOF / GO和CE-MOF / CNT），并用不同的技术表征，以表征其晶体性质，形态，官能团和孔隙率。所获得的CE-MOF在复合材料中表现出纳米棒结构，其尺寸类似于150nm。在3M KOH和3M KOH + 0.2M k3Fe（CN）（6）电解质中研究了复合材料的电化学性能。在两种电解质中获得Ce-Mof /去复合材料的增强的电化学行为，并在电流密度为1 a的电流密度为111.05Wh kg（-1）的最大比电容。 g（-1）。 CE-MOF / GO中的大介孔结构和氧官能团的存在可以促进电极/电解质界面中的离子输送，结果表明CE-MOF / GO复合材料可用作高性能超级电容器电极材料。

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来源
《RSC Advances》 |2018年第7期|共8页
作者
Ramachandran Rajendran; Xuan Wenlu; Zhao Changhui; Leng Xiaohui; Sun Dazhi; Luo Dan; Wang Fei;
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作者单位

Southern Univ Sci &

Technol Dept Elect &

Elect Engn Shenzhen 518055 Peoples R China;

Southern Univ Sci &

Technol Dept Elect &

Elect Engn Shenzhen 518055 Peoples R China;

Southern Univ Sci &

Technol Dept Elect &

Elect Engn Shenzhen 518055 Peoples R China;

Southern Univ Sci &

Technol Dept Elect &

Elect Engn Shenzhen 518055 Peoples R China;

Southern Univ Sci &

Technol Dept Mat Sci &

Engn Shenzhen 518055 Peoples R China;

Southern Univ Sci &

Technol Dept Elect &

Elect Engn Shenzhen 518055 Peoples R China;

Southern Univ Sci &

Technol Dept Elect &

Elect Engn Shenzhen 518055 Peoples R China;

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正文语种 eng
中图分类化学;
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1. Enhanced electrochemical properties of cerium metal-organic framework based composite electrodes for high-performance supercapacitor application [J] . Ramachandran Rajendran, Xuan Wenlu, Zhao Changhui, RSC Advances . 2018,第7期

机译：基于铈 - 有机框架的复合电极的增强电化学性能，高性能超级电容器应用
2. Synthesis and Electrochemical Properties of Ternary Co-, Cu- and Ni- Based Metal-Organic Frameworks Electrode for Battery Supercapacitor Hybrid Application [J] . Amir Luqman Sanusi, Nurul Khairiyyah Mohd Zain, Izan Izwan Misnon, Materials science forum . 2020,第期

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3. A copper based metal-organic framework as single source for the synthesis of electrode materials for high-performance supercapacitors and glucose sensing applications [J] . Inayat Ali Khan, Amin Badshah, Muhammad Amtiaz Nadeem, International journal of hydrogen energy . 2014,第34期

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4. Synthesis and Electrochemical Properties of Ternary Co-, Cu- and Ni-Based Metal-Organic Frameworks Electrode for Battery Supercapacitor Hybrid Application [C] . Amir Luqman Sanusi, Nurul Khairiyyah Mohd Zain, Izan Izwan Misnon, Postgraduate Symposium on Industrial Science and Technology . 2020

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Enhanced electrochemical properties of cerium metal-organic framework based composite electrodes for high-performance supercapacitor application

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